CN103557174B - A kind of water pump shaft connecting bearings with sealing configuration - Google Patents
A kind of water pump shaft connecting bearings with sealing configuration Download PDFInfo
- Publication number
- CN103557174B CN103557174B CN201310504802.1A CN201310504802A CN103557174B CN 103557174 B CN103557174 B CN 103557174B CN 201310504802 A CN201310504802 A CN 201310504802A CN 103557174 B CN103557174 B CN 103557174B
- Authority
- CN
- China
- Prior art keywords
- ring
- lip
- seal
- sealing
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses a kind of water pump shaft connecting bearings with sealing configuration, belongs to mechanical field.Comprise outer ring, axle, rolling element, retainer, double-lip sealing ring and sealing configuration etc., wherein, described rolling element is arranged in the raceway between outer ring and axle by retainer; The external diameter peace of double-lip sealing ring is embedded in above-mentioned dust sealing groove, the lips on internal diameter and axle interference fit; Sealing configuration is arranged on water pump shaft connecting bearings impeller end, is positioned at the outside of outer raceway, and described sealing configuration is the compound sealing structure of retained seal seal or band slinger ring.Effectively prevent the foul in working environment directly to contact with the epipharynx of seal ring, protective action is served to seal ring, fall at the end rate of wear of lip inside seal ring.
Description
Technical field
The present invention relates to a kind of water pump shaft connecting bearings with sealing configuration, belong to mechanical field.
Background technique
Water pump shaft connecting bearings is actually the one distortion of the Bearing with multiple rows of balls of two row deep groove ball bearings and axle sleeve composition; Feature is: two raceway shaft connecting bearings of designs simplification, and do not have the inside race of general bearing, two raceways are directly processed on axle, and has the assemblying body of the outer collar of two raceway, rolling element, retainer and seal ring composition axle sleeve.Due to special working environment, proposing quite high requirement: on the one hand for preventing the grease of Bearing inner toward external leakage to the seal ring performance of water pump shaft connecting bearings, is that anti-sealing infiltrates Bearing inner on the other hand.Under normal circumstances, the nitrile rubber seal ring of dual lip configuration just can meet the demands, but in severe work condition environment, impeller end seal ring epipharynx contacts with foul and easily weares and teares, bearing is caused to occur to leak fat and flooded condition, and affect the working life of water pump shaft connecting bearings, so the practicability of common two-lid sealing structure is affected to a certain extent.
In view of this, the present inventor studies this, and develop a kind of water pump shaft connecting bearings with sealing configuration specially, this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of flange end with double-lip sealing ring, the water pump shaft connecting bearings of impeller end band sealing configuration, there is the advantages such as good seal performance, structure be simple, easy to assembly.。
To achieve these goals, solution of the present invention is:
A kind of water pump shaft connecting bearings with sealing configuration, comprise outer ring, axle, rolling element, retainer, double-lip sealing ring and sealing configuration etc., wherein, the internal diameter of described outer ring is established two outer raceways, the external diameter of described axle is provided with two interior raceways corresponding with outer raceway, retainer is arranged between outer ring and axle, and rolling element is arranged in the raceway between outer ring and axle by retainer; Described outer ring is provided with a dust sealing groove near the internal diameter of flange end, and dust sealing slot is in the outside of outer raceway; The external diameter peace of double-lip sealing ring is embedded in above-mentioned dust sealing groove, the lips on internal diameter and axle interference fit; Sealing configuration is arranged on water pump shaft connecting bearings impeller end, is positioned at the outside of outer raceway, and described sealing configuration is the compound sealing structure of retained seal seal or band slinger ring.
As preferably, above-mentioned sealing configuration is retained seal seal, comprise O-ring seal, skeleton and locking spring, wherein, described skeleton cross section is L shape, O-ring seal close adhesion is on the outer surface of skeleton, O-ring seal comprises epipharynx and outer lip, the external diameter of retained seal seal by O-ring seal and outer ring interference fit, internal diameter by epipharynx and outer lip all with axle interference fit, locking spring is arranged on the external diameter of epipharynx, make epipharynx all the time with axle close contact.
As preferably, above-mentioned outer ring is also provided with a dust sealing groove on the internal diameter of impeller end, dust sealing slot is in the outside of outer raceway, described sealing configuration is the compound sealing structure of band slinger ring, comprise seal ring and rigidity slinger ring, seal ring comprises O-ring seal and skeleton, wherein, on the two ends that O-ring seal is wrapped in skeleton and outer surface, described O-ring seal comprises the first lip, second lip and the 3rd lip, first lip and axle interference fit, second lip, 3rd lip and rigidity slinger ring interference fit, the external diameter of seal ring is embedded in dust sealing groove by the O-ring seal peace be wrapped on skeleton.
Above-mentioned rigidity slinger ring cross section is " ㄈ " type, the 3rd lip interference fit of its external diameter and impeller end seal ring, internal diameter side and axle interference fit, the second lip interference fit of opposite side and seal ring.Rigidity slinger ring is buckled between seal ring and axle, effectively prevents the foul in working environment from directly contacting with the first lip of seal ring, serves protective action to seal ring.
As preferably, above-mentioned outer ring is also provided with a dust sealing groove on the internal diameter of impeller end, described axle is provided with a groove further, above-mentioned dust sealing groove and groove are all positioned at the outside of outer raceway, and described sealing configuration is the compound sealing structure of band slinger ring, comprise slinger ring and are positioned at the double-lip sealing ring inside slinger ring, slinger ring comprises O-ring seal and skeleton, wherein, described skeleton cross section is L shape, on the two ends that O-ring seal is wrapped in skeleton and outer surface; The internal diameter of described O-ring seal is provided with a lip, and slinger ring internal diameter is arranged in the groove of axle by the lip interference fit on O-ring seal, and slinger ring external diameter and outer ring internal diameter leave gap; Double-lip sealing ring external diameter peace is embedded in dust sealing groove, internal diameter and axle interference fit.
Above-mentioned double-lip sealing ring comprises O-ring seal and skeleton, wherein, described skeleton cross section is L shape, on the two ends that O-ring seal is wrapped in skeleton and outer surface, above-mentioned seal ring comprises 2 lips, its external diameter is embedded in dust sealing groove by the O-ring seal peace be wrapped on skeleton, and internal diameter is by 2 lips and axle interference fit.
Above-mentioned O-ring seal adopts nitrile rubber material, and skeleton and rigidity slinger ring adopt No. 10 steel plates, the spring that locking spring adopts wire material to make.
Described rolling element adopts GCr15 material steel ball or roller; Described outer ring adopts GCr15 material outer ring.
Described axle adopts GCr15 material shaft; Described retainer adopts PA66-GF25 material retainer.
The present invention has positive effect: above-mentioned water pump shaft connecting bearings structure is simple; flange end arranges double-lip sealing ring; impeller end arranges retained seal seal or the sealing configuration with slinger ring; one locking spring is set in retained seal seal; can make seal ring epipharynx all the time with axle close contact; slinger ring serves the effect of water dumping dynamic seal (packing) in sealing simultaneously; effectively prevent the foul in working environment directly to contact with the epipharynx of seal ring; protective action is served to seal ring, has fallen at the end rate of wear of lip inside seal ring.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the water pump shaft connecting bearings structural scheme of mechanism of embodiment 1;
Fig. 2 is the retained seal seal sectional view of embodiment 1;
The double-lip sealing ring sectional view of Fig. 3 the present embodiment 1, embodiment 2 and embodiment 3;
Fig. 4 is the water pump shaft connecting bearings structural scheme of mechanism of embodiment 2;
Fig. 5 is the compound sealing structure sectional view with slinger ring of embodiment 2;
Fig. 6 is the water pump shaft connecting bearings structural scheme of mechanism of embodiment 3;
Fig. 7 is the compound sealing structure sectional view with slinger ring of embodiment 3.
Embodiment
embodiment 1
As shown in Figure 1, impeller end is with the water pump shaft connecting bearings of retainer ring type seal coil structures, comprise outer ring 1, axle 2, rolling element 4, retainer 3, double-lip sealing ring 5 and retained seal seal 6 etc., wherein, the internal diameter of described outer ring 1 is established two outer raceways, the external diameter of described axle 2 is provided with two interior raceways corresponding with outer raceway, and retainer 3 is arranged between outer ring 1 and axle 2, and rolling element 4 is arranged in the raceway between outer ring 1 and axle 2 by retainer 3; Described outer ring 1 is provided with a dust sealing groove 11 near the internal diameter of flange end 21, and dust sealing groove 11 is positioned at the outside of outer raceway; The external diameter peace of double-lip sealing ring 5 is embedded in above-mentioned dust sealing groove 11, the lips on internal diameter and axle 2 interference fit; Retained seal seal 6 is arranged on water pump shaft connecting bearings impeller end 22, is positioned at the outside of outer raceway.
As shown in Figure 2, above-mentioned retained seal seal 6 comprises O-ring seal 61, skeleton 62 and locking spring 63, wherein, described skeleton 62 cross section is L shape, O-ring seal 61 close adhesion is on the outer surface of skeleton 62, and O-ring seal 61 comprises epipharynx 611 and outer lip 612, described epipharynx 611 and outer lip 612 all with axle 2 interference fit, locking spring 3 is arranged on the external diameter of epipharynx 611, make epipharynx 611 all the time with axle 2 close contact.
As shown in Figure 3, above-mentioned double-lip sealing ring 5 comprises O-ring seal 51 and skeleton 52, wherein, described skeleton 52 cross section is L shape, on the two ends that O-ring seal 51 is wrapped in skeleton 52 and outer surface, O-ring seal 51 comprises the first lip 511 and the second lip 512, and described double-lip sealing ring 5 one end is embedded in dust sealing groove 11 by O-ring seal 51 peace be wrapped on skeleton 52, and the other end is by the first lip 511 and the second lip 512 and axle 2 interference fit.
In the present embodiment, above-mentioned O-ring seal 51 and 61 adopts nitrile rubber material, and skeleton 52 and 62 adopts No. 10 steel plates, the spring that locking spring 63 adopts wire material to make.
Described rolling element 4 adopts GCr15 material steel ball; Described outer ring 1 and axle 2 all adopt GCr15 material; Described retainer adopts PA66-GF25 material.
Above-mentioned water pump shaft connecting bearings, flange end arranges double-lip sealing ring, impeller end arranges retained seal seal, and a locking spring is set in retained seal seal, can make seal ring epipharynx all the time with axle close contact, vital effect is served to the lasting of sealing and the constant of sealed force moment, improves the working life of bearing.
embodiment 2
As shown in Figure 4, a kind of impeller end is with the water pump shaft connecting bearings of the compound sealing structure of slinger ring, comprise outer ring 1 ＇, axle 2 ＇, rolling element 3 ＇, retainer 4 ＇, double-lip sealing ring 5 ＇ and band slinger ring compound sealing structure 6 ＇ etc., wherein, the internal diameter of described outer ring 1 ＇ establishes two outer raceways, the external diameter of described axle 2 ＇ is provided with two interior raceways corresponding with outer raceway, retainer 4 is arranged between outer ring 1 ＇ and axle 2 ＇, and rolling element 3 ＇ is arranged in the raceway between outer ring 1 ＇ and axle 2 ＇ by retainer 4 ＇; The both sides of described outer ring 1 ＇ internal diameter are equipped with dust sealing groove 11 ＇, and dust sealing groove 11 ＇ is positioned at the outside of the outer raceway of outer ring 1 ＇ two.
Above-mentioned water pump bearing flange end 21 ＇ double-lip sealing ring 5 ＇ structure and the mounting type of being positioned at the double-lip sealing ring 5 described in example 1, as shown in Figure 3.
As shown in Figure 5, the composite seal structure with slinger ring being positioned at impeller end 22 ＇ comprises seal ring 6 ＇ and slinger ring 63 ＇, wherein seal ring 6 ＇ comprises O-ring seal 61 ＇ and skeleton 62 ＇, on the two ends that O-ring seal 61 ＇ is wrapped in skeleton 62 ＇ and outer surface, the external diameter that O-ring seal 61 ＇ comprises the first lip 611 ＇, the second lip 612 ＇ and the 3rd lip 613 ＇, seal ring 6 ＇ is embedded in dust sealing groove 11 ＇ by the O-ring seal 61 ＇ peace be wrapped on skeleton 62 ＇.Slinger ring 63 ＇ cross section is " ㄈ " type, the 3rd lip 613 ＇ interference fit of its external diameter 631 ＇ and O-ring seal 61 ＇, internal diameter 632 ＇ side and axle 2 ＇ interference fit, the second lip 612 ＇ interference fit of opposite side and O-ring seal.Slinger ring 63 ＇ is buckled between O-ring seal 61 ＇ and axle 2 ＇; effectively prevent the foul in working environment from directly contacting with first lip 611 ＇ of O-ring seal 61 ＇; protective action is served to O-ring seal; fall at the end rate of wear of seal ring first lip, serve the effect of water dumping dynamic seal (packing) simultaneously.When seal ring 6 ＇ is installed in water pump shaft connecting bearings, because punching press, skeleton 62 ＇ can produce certain distortion.
In the present embodiment, above-mentioned O-ring seal 51 and 61 ＇ adopts nitrile rubber material, and skeleton 52 and 62 ＇ and slinger ring 63 ＇ adopts No. 10 steel plates.Described rolling element 3 ＇ adopts GCr15 material steel ball; Described outer ring 1 ＇ and axle 2 ＇ adopts GCr15 material; Described retainer 4 ＇ adopts PA66-GF25 material.
The above-mentioned water pump shaft connecting bearings with slinger ring composite seal structure, not only structure is simple, easy to assembly, and has excellent sealing.
embodiment 3
As shown in Figure 6, a kind of impeller end is with the water pump shaft connecting bearings of the compound sealing structure of slinger ring, comprise outer ring 1 ", axle 2 ", rolling element 3 ", retainer 4 ", double-lip sealing ring 5 " and slinger ring 6 " etc., wherein, described outer ring 1 " internal diameter on establish two outer raceways; between described axle 2 " external diameter be provided with two interior raceways corresponding with outer raceway, retainer 4 " being arranged on outer ring 1 " and axle 2 ", rolling element 3 " by retainer 4 " is arranged in the raceway between outer ring 1 " and axle 2 "; Described outer ring 1 " both sides of internal diameter are equipped with a dust sealing groove 11 ", dust sealing groove 11 " is positioned at the outside of outer raceway; The dust sealing groove 11 of described double-lip sealing ring 5 " one end embeds above-mentioned outer ring 1 " " in, the other end and axle 2 " interference fit; Described axle 2 " on be provided with a groove 23 further ", this groove 23 " being located at impeller end 22 " double-lip sealing ring 5 " outside; in described slinger ring 6 " internal diameter be fixedly mounted on above-mentioned groove 23 "; slinger ring 6 " external diameter and outer ring 2 " internal diameter leaves gap; described axial clearance is not less than 0.1mm, and this gap Main Function produces resistance for avoiding friction.
Above-mentioned double-lip sealing ring 5 " structure and mounting type with the double-lip sealing ring 5 described in example 1, as shown in Figure 3." comprise O-ring seal 2 51 and skeleton 2 52; wherein; described skeleton 2 52 cross section is L shape; on the two ends that O-ring seal 2 51 is wrapped in skeleton 2 52 and outer surface; O-ring seal 2 51 comprises the first lip 511 and the second lip 512; in described double-lip sealing ring 5 " one end is embedded in dust sealing groove 11 by O-ring seal 2 51 peace be wrapped on skeleton 2 52 ", the other end is by the first lip 511 and the second lip 512 and axle 2 " interference fit for described double-lip sealing ring 5.
Cross section is L shape for as shown in Figure 7, above-mentioned slinger ring 6 " comprising O-ring seal 1 " and skeleton 1 ", wherein, described skeleton 1 ", on the two ends of O-ring seal 1 " being wrapped in skeleton 1 " and outer surface; Described O-ring seal 1 " internal diameter be provided with a lip 611 ", in the lip 611 " interference fit is arranged on the groove 23 of axle " on slinger ring 6 " internal diameter is by O-ring seal 1 ".
Above-mentioned water pump shaft connecting bearings flange end 21 " installing double-lip sealing ring 5 "; the lip of impeller end 22 " being provided with double-lip sealing ring 5 " and slinger ring 6 "; the outside of slinger ring 6 " being positioned at seal ring 5 "; effectively prevent the foul in working environment and internal layer seal ring 5 " directly contacts; " protective action is served; fallen at the end seal ring 5 " to seal ring 5 rate of wear of epipharynx, " the effect of state sealing that simultaneously serves water dumping dynamic 6.
In the present embodiment, " adopt nitrile rubber material, skeleton 2 52 and skeleton 1 " adopt No. 10 steel plates for above-mentioned O-ring seal 2 51 and O-ring seal 1.Described rolling element 3 " adopts GCr15 material steel ball; Described outer ring 1 " and axle 2 " adopts GCr15 material; Described retainer 4 " adopts PA66-GF25 material;
Above-mentioned impeller end is with the water pump shaft connecting bearings of double-layer sealing structure, and not only structure is simple, easy to assembly, and has excellent sealing.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. the water pump shaft connecting bearings with sealing configuration, it is characterized in that: comprise outer ring (1 "), axle (2 "), rolling element (3 "), retainer (4 "), double-lip sealing ring (5 ") and slinger ring (6 "), wherein, two outer raceways (internal diameter of 1 ") are established; (external diameter of 2 ") is provided with two interior raceways corresponding with outer raceway to described axle in described outer ring, retainer (4 ") be arranged on outer ring (1 ") and axle (between 2 "), rolling element (3 ") is arranged in the raceway between outer ring (1 ") and axle (2 ") by retainer (4 "); The both sides of described outer ring (1 ") internal diameter are equipped with a dust sealing groove (11 "), and (11 ") are all positioned at the outside of outer raceway to dust sealing groove; 2 double-lip sealing ring (5 ") symmetries are arranged in the dust sealing groove (11 ") of water pump shaft connecting bearings flange end and impeller end, wherein, the external diameter peace of double-lip sealing ring (5 ") is embedded in dust sealing groove (11 "), and the lips on double-lip sealing ring (5 ") internal diameter and axle (2 ") interference fit; Described axle (2 ") is also provided with a groove (23 "), this groove (23 ") is located at impeller end (22 ") double-lip sealing ring (outside of 5 "); slinger ring (6 ") comprises O-ring seal one (61 ") and skeleton one (62 "), wherein, described skeleton one (62 ") cross section is L shape, on the two ends that O-ring seal one (61 ") is wrapped in skeleton one (62 ") and outer surface; The internal diameter of described O-ring seal one (61 ") is provided with a lip (611 "), slinger ring (6 ") internal diameter is arranged in the groove (23 ") of axle (2 ") by lip on O-ring seal one (611 ") interference fit, slinger ring (6 ") external diameter and outer ring (1 ") internal diameter leaves gap, and axial clearance is not less than 0.1mm.
2. a kind of water pump shaft connecting bearings with sealing configuration as claimed in claim 1, it is characterized in that: (5 ") comprise O-ring seal two (51) and skeleton two (52) to described double-lip sealing ring, wherein, described skeleton two (52) cross section is L shape, on the two ends that O-ring seal two (51) is wrapped in skeleton two (52) and outer surface, described O-ring seal two (51) comprises the first lip (511) and the second lip (512), double-lip sealing ring (5 ") external diameter is embedded in dust sealing groove (11 ") by O-ring seal two (51) peace be wrapped on skeleton two (52), double-lip sealing ring (5 ") internal diameter is by the first lip (511) and the second lip (512) and axle (2 ") interference fit.
3. a kind of water pump shaft connecting bearings with sealing configuration as claimed in claim 1 or 2, it is characterized in that: (61 "), O-ring seal two (51) adopt nitrile rubber material to described O-ring seal one, and (62 "), skeleton two (52) adopt No. 10 steel plates to skeleton one.
4. a kind of water pump shaft connecting bearings with sealing configuration as claimed in claim 1, it is characterized in that: (3 ") adopts GCr15 material steel ball or roller to described rolling element; (1 ") adopts GCr15 material outer ring in described outer ring, (2 ") adopts GCr15 material shaft to described axle, and (4 ") adopts PA66-GF25 material retainer to described retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504802.1A CN103557174B (en) | 2013-10-22 | 2013-10-22 | A kind of water pump shaft connecting bearings with sealing configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504802.1A CN103557174B (en) | 2013-10-22 | 2013-10-22 | A kind of water pump shaft connecting bearings with sealing configuration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103557174A CN103557174A (en) | 2014-02-05 |
| CN103557174B true CN103557174B (en) | 2016-02-24 |
Family
ID=50011502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310504802.1A Active CN103557174B (en) | 2013-10-22 | 2013-10-22 | A kind of water pump shaft connecting bearings with sealing configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103557174B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948830A (en) * | 2017-05-16 | 2017-07-14 | 郎溪腾旋科技有限公司 | A kind of native storehouse sealing device of novel shield machine |
| CN108692028A (en) * | 2018-05-30 | 2018-10-23 | 西安航空制动科技有限公司 | Axis dust-proof seal ring for airplane wheel velocity sensor |
| CN110566573A (en) * | 2019-08-30 | 2019-12-13 | 张志刚 | Self-excitation type oil mist jet lubrication high-speed bearing, lubrication method and application |
| CN111014526B (en) * | 2019-11-27 | 2021-05-14 | 西北工业大学 | Thin-wall W-section special-shaped sealing structure inner and outer composite rolling forming method |
| CN112610596A (en) * | 2020-12-14 | 2021-04-06 | 人本股份有限公司 | Water pump bearing |
| CN114352632B (en) * | 2021-12-24 | 2024-01-02 | 江苏日晟轴承股份有限公司 | Water pump bearing with sealing structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437897Y (en) * | 2000-08-22 | 2001-07-04 | 冯建新 | Shaft coupling bearing |
| EP1577560A1 (en) * | 2003-06-07 | 2005-09-21 | FAG Kugelfischer AG & Co. oHG | Water pump bearing |
| CN201221572Y (en) * | 2008-05-20 | 2009-04-15 | 上海人本集团有限公司 | Triplex row rolling body shaft connecting bearing for automobile engine water pump |
| JP2009085277A (en) * | 2007-09-28 | 2009-04-23 | Jtekt Corp | Sealing device for rolling bearing and grease-lubricated rolling bearing |
| CN201386745Y (en) * | 2009-03-27 | 2010-01-20 | 常州威嘉轴承制造有限公司 | Automobile shaft-connection bearing with an oil sealing structure |
| CN201779002U (en) * | 2010-09-15 | 2011-03-30 | 江苏容天乐机械股份有限公司 | Sealing device of water pump bearing |
| CN201810547U (en) * | 2010-09-29 | 2011-04-27 | 江苏容天乐机械股份有限公司 | Water pump bearing sealing device |
| CN202152794U (en) * | 2011-06-30 | 2012-02-29 | 天津雷沃动力股份有限公司 | Shaft bearing |
| CN203560139U (en) * | 2013-10-22 | 2014-04-23 | 浙江省新昌新轴实业有限公司 | Water pump shaft bearing provided with snap ring type seal ring |
-
2013
- 2013-10-22 CN CN201310504802.1A patent/CN103557174B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437897Y (en) * | 2000-08-22 | 2001-07-04 | 冯建新 | Shaft coupling bearing |
| EP1577560A1 (en) * | 2003-06-07 | 2005-09-21 | FAG Kugelfischer AG & Co. oHG | Water pump bearing |
| JP2009085277A (en) * | 2007-09-28 | 2009-04-23 | Jtekt Corp | Sealing device for rolling bearing and grease-lubricated rolling bearing |
| CN201221572Y (en) * | 2008-05-20 | 2009-04-15 | 上海人本集团有限公司 | Triplex row rolling body shaft connecting bearing for automobile engine water pump |
| CN201386745Y (en) * | 2009-03-27 | 2010-01-20 | 常州威嘉轴承制造有限公司 | Automobile shaft-connection bearing with an oil sealing structure |
| CN201779002U (en) * | 2010-09-15 | 2011-03-30 | 江苏容天乐机械股份有限公司 | Sealing device of water pump bearing |
| CN201810547U (en) * | 2010-09-29 | 2011-04-27 | 江苏容天乐机械股份有限公司 | Water pump bearing sealing device |
| CN202152794U (en) * | 2011-06-30 | 2012-02-29 | 天津雷沃动力股份有限公司 | Shaft bearing |
| CN203560139U (en) * | 2013-10-22 | 2014-04-23 | 浙江省新昌新轴实业有限公司 | Water pump shaft bearing provided with snap ring type seal ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103557174A (en) | 2014-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103557174B (en) | A kind of water pump shaft connecting bearings with sealing configuration | |
| CA2618449A1 (en) | Seal for railway car journal bearing | |
| CN204628265U (en) | A kind of sealed type roller bearing | |
| US20140177991A1 (en) | Sealed rolling bearing | |
| US3494681A (en) | Bearing seal | |
| CN203685870U (en) | Self-lubricating bearing | |
| CN202326715U (en) | Double-row cylindrical full-roller self-locking bearing | |
| CN102135133A (en) | Sealed single-row cylindrical roller bearing | |
| CN203395028U (en) | End surface sealing bearing | |
| CN203560140U (en) | Water pump shaft bearing provided with combined type seal structure with thrower ring | |
| CN102011746A (en) | Automobile water pump bearing sealing device | |
| CN203560138U (en) | Water pump shaft bearing provided with double seal structures | |
| CN203560139U (en) | Water pump shaft bearing provided with snap ring type seal ring | |
| CN204025366U (en) | There is the roller bearing units of dustproof guard ring | |
| CN207687185U (en) | A kind of no inner ring deep groove ball bearing | |
| CN104454970A (en) | Light-weight cylindrical roller bearing with high rotation speed | |
| CN212106616U (en) | Labyrinth type sealing ball bearing | |
| CN101603518B (en) | Mechanical seal for vacuum equipment and lubrication method thereof | |
| CN203560293U (en) | Novel shaft-coupling bearing for agricultural machinery | |
| CN203223478U (en) | High-temperature-resistant deep groove ball bearing | |
| CN203627545U (en) | External spherical surface ball bearing with vertical type seat | |
| CN209781457U (en) | Isolator bearing | |
| CN203880210U (en) | Lubrication protection structure for valve rod nut part of small-aperture valve | |
| CN208024715U (en) | Biserial closed type taper roller roller bearing | |
| CN206320185U (en) | A kind of new ball bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |